Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1 | /* |
Gertjan van Wingerde | 9c9a0d1 | 2009-11-08 16:39:55 +0100 | [diff] [blame] | 2 | Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com> |
| 3 | Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com> |
| 4 | Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org> |
| 5 | Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com> |
| 6 | Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de> |
| 7 | Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com> |
| 8 | Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com> |
| 9 | Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com> |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 10 | <http://rt2x00.serialmonkey.com> |
| 11 | |
| 12 | This program is free software; you can redistribute it and/or modify |
| 13 | it under the terms of the GNU General Public License as published by |
| 14 | the Free Software Foundation; either version 2 of the License, or |
| 15 | (at your option) any later version. |
| 16 | |
| 17 | This program is distributed in the hope that it will be useful, |
| 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | GNU General Public License for more details. |
| 21 | |
| 22 | You should have received a copy of the GNU General Public License |
| 23 | along with this program; if not, write to the |
| 24 | Free Software Foundation, Inc., |
| 25 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | Module: rt2800pci |
| 30 | Abstract: rt2800pci device specific routines. |
| 31 | Supported chipsets: RT2800E & RT2800ED. |
| 32 | */ |
| 33 | |
| 34 | #include <linux/crc-ccitt.h> |
| 35 | #include <linux/delay.h> |
| 36 | #include <linux/etherdevice.h> |
| 37 | #include <linux/init.h> |
| 38 | #include <linux/kernel.h> |
| 39 | #include <linux/module.h> |
| 40 | #include <linux/pci.h> |
| 41 | #include <linux/platform_device.h> |
| 42 | #include <linux/eeprom_93cx6.h> |
| 43 | |
| 44 | #include "rt2x00.h" |
| 45 | #include "rt2x00pci.h" |
| 46 | #include "rt2x00soc.h" |
Bartlomiej Zolnierkiewicz | 7ef5cc9 | 2009-11-04 18:35:32 +0100 | [diff] [blame] | 47 | #include "rt2800lib.h" |
Bartlomiej Zolnierkiewicz | b54f78a | 2009-11-04 18:35:54 +0100 | [diff] [blame] | 48 | #include "rt2800.h" |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 49 | #include "rt2800pci.h" |
| 50 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 51 | /* |
| 52 | * Allow hardware encryption to be disabled. |
| 53 | */ |
| 54 | static int modparam_nohwcrypt = 1; |
| 55 | module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); |
| 56 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); |
| 57 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 58 | static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token) |
| 59 | { |
| 60 | unsigned int i; |
| 61 | u32 reg; |
| 62 | |
Luis Correia | f18d446 | 2010-04-03 12:49:53 +0100 | [diff] [blame] | 63 | /* |
| 64 | * SOC devices don't support MCU requests. |
| 65 | */ |
| 66 | if (rt2x00_is_soc(rt2x00dev)) |
| 67 | return; |
| 68 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 69 | for (i = 0; i < 200; i++) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 70 | rt2800_register_read(rt2x00dev, H2M_MAILBOX_CID, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 71 | |
| 72 | if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) || |
| 73 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) || |
| 74 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) || |
| 75 | (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token)) |
| 76 | break; |
| 77 | |
| 78 | udelay(REGISTER_BUSY_DELAY); |
| 79 | } |
| 80 | |
| 81 | if (i == 200) |
| 82 | ERROR(rt2x00dev, "MCU request failed, no response from hardware\n"); |
| 83 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 84 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); |
| 85 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 86 | } |
| 87 | |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 88 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 89 | static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
| 90 | { |
| 91 | u32 *base_addr = (u32 *) KSEG1ADDR(0x1F040000); /* XXX for RT3052 */ |
| 92 | |
| 93 | memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE); |
| 94 | } |
| 95 | #else |
| 96 | static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev) |
| 97 | { |
| 98 | } |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 99 | #endif /* CONFIG_RT2800PCI_SOC */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 100 | |
| 101 | #ifdef CONFIG_RT2800PCI_PCI |
| 102 | static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom) |
| 103 | { |
| 104 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 105 | u32 reg; |
| 106 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 107 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 108 | |
| 109 | eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); |
| 110 | eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); |
| 111 | eeprom->reg_data_clock = |
| 112 | !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); |
| 113 | eeprom->reg_chip_select = |
| 114 | !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); |
| 115 | } |
| 116 | |
| 117 | static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom) |
| 118 | { |
| 119 | struct rt2x00_dev *rt2x00dev = eeprom->data; |
| 120 | u32 reg = 0; |
| 121 | |
| 122 | rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); |
| 123 | rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); |
| 124 | rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, |
| 125 | !!eeprom->reg_data_clock); |
| 126 | rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, |
| 127 | !!eeprom->reg_chip_select); |
| 128 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 129 | rt2800_register_write(rt2x00dev, E2PROM_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
| 133 | { |
| 134 | struct eeprom_93cx6 eeprom; |
| 135 | u32 reg; |
| 136 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 137 | rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 138 | |
| 139 | eeprom.data = rt2x00dev; |
| 140 | eeprom.register_read = rt2800pci_eepromregister_read; |
| 141 | eeprom.register_write = rt2800pci_eepromregister_write; |
| 142 | eeprom.width = !rt2x00_get_field32(reg, E2PROM_CSR_TYPE) ? |
| 143 | PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66; |
| 144 | eeprom.reg_data_in = 0; |
| 145 | eeprom.reg_data_out = 0; |
| 146 | eeprom.reg_data_clock = 0; |
| 147 | eeprom.reg_chip_select = 0; |
| 148 | |
| 149 | eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, |
| 150 | EEPROM_SIZE / sizeof(u16)); |
| 151 | } |
| 152 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 153 | static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 154 | { |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 155 | return rt2800_efuse_detect(rt2x00dev); |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 156 | } |
| 157 | |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 158 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 159 | { |
Bartlomiej Zolnierkiewicz | 30e8403 | 2009-11-08 14:39:48 +0100 | [diff] [blame] | 160 | rt2800_read_eeprom_efuse(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 161 | } |
| 162 | #else |
| 163 | static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) |
| 164 | { |
| 165 | } |
| 166 | |
Gertjan van Wingerde | a659868 | 2009-11-08 12:30:35 +0100 | [diff] [blame] | 167 | static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) |
| 168 | { |
| 169 | return 0; |
| 170 | } |
| 171 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 172 | static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) |
| 173 | { |
| 174 | } |
| 175 | #endif /* CONFIG_RT2800PCI_PCI */ |
| 176 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 177 | /* |
| 178 | * Firmware functions |
| 179 | */ |
| 180 | static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) |
| 181 | { |
| 182 | return FIRMWARE_RT2860; |
| 183 | } |
| 184 | |
| 185 | static int rt2800pci_check_firmware(struct rt2x00_dev *rt2x00dev, |
| 186 | const u8 *data, const size_t len) |
| 187 | { |
| 188 | u16 fw_crc; |
| 189 | u16 crc; |
| 190 | |
| 191 | /* |
| 192 | * Only support 8kb firmware files. |
| 193 | */ |
| 194 | if (len != 8192) |
| 195 | return FW_BAD_LENGTH; |
| 196 | |
| 197 | /* |
| 198 | * The last 2 bytes in the firmware array are the crc checksum itself, |
| 199 | * this means that we should never pass those 2 bytes to the crc |
| 200 | * algorithm. |
| 201 | */ |
| 202 | fw_crc = (data[len - 2] << 8 | data[len - 1]); |
| 203 | |
| 204 | /* |
| 205 | * Use the crc ccitt algorithm. |
| 206 | * This will return the same value as the legacy driver which |
| 207 | * used bit ordering reversion on the both the firmware bytes |
| 208 | * before input input as well as on the final output. |
| 209 | * Obviously using crc ccitt directly is much more efficient. |
| 210 | */ |
| 211 | crc = crc_ccitt(~0, data, len - 2); |
| 212 | |
| 213 | /* |
| 214 | * There is a small difference between the crc-itu-t + bitrev and |
| 215 | * the crc-ccitt crc calculation. In the latter method the 2 bytes |
| 216 | * will be swapped, use swab16 to convert the crc to the correct |
| 217 | * value. |
| 218 | */ |
| 219 | crc = swab16(crc); |
| 220 | |
| 221 | return (fw_crc == crc) ? FW_OK : FW_BAD_CRC; |
| 222 | } |
| 223 | |
| 224 | static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev, |
| 225 | const u8 *data, const size_t len) |
| 226 | { |
| 227 | unsigned int i; |
| 228 | u32 reg; |
| 229 | |
| 230 | /* |
| 231 | * Wait for stable hardware. |
| 232 | */ |
| 233 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 234 | rt2800_register_read(rt2x00dev, MAC_CSR0, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 235 | if (reg && reg != ~0) |
| 236 | break; |
| 237 | msleep(1); |
| 238 | } |
| 239 | |
| 240 | if (i == REGISTER_BUSY_COUNT) { |
| 241 | ERROR(rt2x00dev, "Unstable hardware.\n"); |
| 242 | return -EBUSY; |
| 243 | } |
| 244 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 245 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002); |
| 246 | rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 247 | |
| 248 | /* |
| 249 | * Disable DMA, will be reenabled later when enabling |
| 250 | * the radio. |
| 251 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 252 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 253 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 254 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); |
| 255 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 256 | rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); |
| 257 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 258 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 259 | |
| 260 | /* |
| 261 | * enable Host program ram write selection |
| 262 | */ |
| 263 | reg = 0; |
| 264 | rt2x00_set_field32(®, PBF_SYS_CTRL_HOST_RAM_WRITE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 265 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 266 | |
| 267 | /* |
| 268 | * Write firmware to device. |
| 269 | */ |
Bartlomiej Zolnierkiewicz | 4f2732c | 2009-11-04 18:33:27 +0100 | [diff] [blame] | 270 | rt2800_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 271 | data, len); |
| 272 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 273 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000); |
| 274 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 275 | |
| 276 | /* |
| 277 | * Wait for device to stabilize. |
| 278 | */ |
| 279 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 280 | rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 281 | if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY)) |
| 282 | break; |
| 283 | msleep(1); |
| 284 | } |
| 285 | |
| 286 | if (i == REGISTER_BUSY_COUNT) { |
| 287 | ERROR(rt2x00dev, "PBF system register not ready.\n"); |
| 288 | return -EBUSY; |
| 289 | } |
| 290 | |
| 291 | /* |
| 292 | * Disable interrupts |
| 293 | */ |
| 294 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_IRQ_OFF); |
| 295 | |
| 296 | /* |
| 297 | * Initialize BBP R/W access agent |
| 298 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 299 | rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); |
| 300 | rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 301 | |
| 302 | return 0; |
| 303 | } |
| 304 | |
| 305 | /* |
| 306 | * Initialization functions. |
| 307 | */ |
| 308 | static bool rt2800pci_get_entry_state(struct queue_entry *entry) |
| 309 | { |
| 310 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 311 | u32 word; |
| 312 | |
| 313 | if (entry->queue->qid == QID_RX) { |
| 314 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 315 | |
| 316 | return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE)); |
| 317 | } else { |
| 318 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 319 | |
| 320 | return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE)); |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | static void rt2800pci_clear_entry(struct queue_entry *entry) |
| 325 | { |
| 326 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 327 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
| 328 | u32 word; |
| 329 | |
| 330 | if (entry->queue->qid == QID_RX) { |
| 331 | rt2x00_desc_read(entry_priv->desc, 0, &word); |
| 332 | rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma); |
| 333 | rt2x00_desc_write(entry_priv->desc, 0, word); |
| 334 | |
| 335 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 336 | rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0); |
| 337 | rt2x00_desc_write(entry_priv->desc, 1, word); |
| 338 | } else { |
| 339 | rt2x00_desc_read(entry_priv->desc, 1, &word); |
| 340 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1); |
| 341 | rt2x00_desc_write(entry_priv->desc, 1, word); |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev) |
| 346 | { |
| 347 | struct queue_entry_priv_pci *entry_priv; |
| 348 | u32 reg; |
| 349 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 350 | /* |
| 351 | * Initialize registers. |
| 352 | */ |
| 353 | entry_priv = rt2x00dev->tx[0].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 354 | rt2800_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma); |
| 355 | rt2800_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit); |
| 356 | rt2800_register_write(rt2x00dev, TX_CTX_IDX0, 0); |
| 357 | rt2800_register_write(rt2x00dev, TX_DTX_IDX0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 358 | |
| 359 | entry_priv = rt2x00dev->tx[1].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 360 | rt2800_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma); |
| 361 | rt2800_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit); |
| 362 | rt2800_register_write(rt2x00dev, TX_CTX_IDX1, 0); |
| 363 | rt2800_register_write(rt2x00dev, TX_DTX_IDX1, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 364 | |
| 365 | entry_priv = rt2x00dev->tx[2].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 366 | rt2800_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma); |
| 367 | rt2800_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit); |
| 368 | rt2800_register_write(rt2x00dev, TX_CTX_IDX2, 0); |
| 369 | rt2800_register_write(rt2x00dev, TX_DTX_IDX2, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 370 | |
| 371 | entry_priv = rt2x00dev->tx[3].entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 372 | rt2800_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma); |
| 373 | rt2800_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit); |
| 374 | rt2800_register_write(rt2x00dev, TX_CTX_IDX3, 0); |
| 375 | rt2800_register_write(rt2x00dev, TX_DTX_IDX3, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 376 | |
| 377 | entry_priv = rt2x00dev->rx->entries[0].priv_data; |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 378 | rt2800_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma); |
| 379 | rt2800_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit); |
| 380 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1); |
| 381 | rt2800_register_write(rt2x00dev, RX_DRX_IDX, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 382 | |
| 383 | /* |
| 384 | * Enable global DMA configuration |
| 385 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 386 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 387 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 388 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 389 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 390 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 391 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 392 | rt2800_register_write(rt2x00dev, DELAY_INT_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 393 | |
| 394 | return 0; |
| 395 | } |
| 396 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 397 | /* |
| 398 | * Device state switch handlers. |
| 399 | */ |
| 400 | static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev, |
| 401 | enum dev_state state) |
| 402 | { |
| 403 | u32 reg; |
| 404 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 405 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 406 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, |
| 407 | (state == STATE_RADIO_RX_ON) || |
| 408 | (state == STATE_RADIO_RX_ON_LINK)); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 409 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, |
| 413 | enum dev_state state) |
| 414 | { |
| 415 | int mask = (state == STATE_RADIO_IRQ_ON); |
| 416 | u32 reg; |
| 417 | |
| 418 | /* |
| 419 | * When interrupts are being enabled, the interrupt registers |
| 420 | * should clear the register to assure a clean state. |
| 421 | */ |
| 422 | if (state == STATE_RADIO_IRQ_ON) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 423 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 424 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 425 | } |
| 426 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 427 | rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 428 | rt2x00_set_field32(®, INT_MASK_CSR_RXDELAYINT, mask); |
| 429 | rt2x00_set_field32(®, INT_MASK_CSR_TXDELAYINT, mask); |
| 430 | rt2x00_set_field32(®, INT_MASK_CSR_RX_DONE, mask); |
| 431 | rt2x00_set_field32(®, INT_MASK_CSR_AC0_DMA_DONE, mask); |
| 432 | rt2x00_set_field32(®, INT_MASK_CSR_AC1_DMA_DONE, mask); |
| 433 | rt2x00_set_field32(®, INT_MASK_CSR_AC2_DMA_DONE, mask); |
| 434 | rt2x00_set_field32(®, INT_MASK_CSR_AC3_DMA_DONE, mask); |
| 435 | rt2x00_set_field32(®, INT_MASK_CSR_HCCA_DMA_DONE, mask); |
| 436 | rt2x00_set_field32(®, INT_MASK_CSR_MGMT_DMA_DONE, mask); |
| 437 | rt2x00_set_field32(®, INT_MASK_CSR_MCU_COMMAND, mask); |
| 438 | rt2x00_set_field32(®, INT_MASK_CSR_RXTX_COHERENT, mask); |
| 439 | rt2x00_set_field32(®, INT_MASK_CSR_TBTT, mask); |
| 440 | rt2x00_set_field32(®, INT_MASK_CSR_PRE_TBTT, mask); |
| 441 | rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, mask); |
| 442 | rt2x00_set_field32(®, INT_MASK_CSR_AUTO_WAKEUP, mask); |
| 443 | rt2x00_set_field32(®, INT_MASK_CSR_GPTIMER, mask); |
| 444 | rt2x00_set_field32(®, INT_MASK_CSR_RX_COHERENT, mask); |
| 445 | rt2x00_set_field32(®, INT_MASK_CSR_TX_COHERENT, mask); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 446 | rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 447 | } |
| 448 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 449 | static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) |
| 450 | { |
| 451 | u32 reg; |
| 452 | u16 word; |
| 453 | |
| 454 | /* |
| 455 | * Initialize all registers. |
| 456 | */ |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 457 | if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 458 | rt2800pci_init_queues(rt2x00dev) || |
Bartlomiej Zolnierkiewicz | fcf5154 | 2009-11-04 18:36:57 +0100 | [diff] [blame] | 459 | rt2800_init_registers(rt2x00dev) || |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 460 | rt2800_wait_wpdma_ready(rt2x00dev) || |
Bartlomiej Zolnierkiewicz | fcf5154 | 2009-11-04 18:36:57 +0100 | [diff] [blame] | 461 | rt2800_init_bbp(rt2x00dev) || |
| 462 | rt2800_init_rfcsr(rt2x00dev))) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 463 | return -EIO; |
| 464 | |
| 465 | /* |
| 466 | * Send signal to firmware during boot time. |
| 467 | */ |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 468 | rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 469 | |
| 470 | /* |
| 471 | * Enable RX. |
| 472 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 473 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 474 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); |
| 475 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 476 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 477 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 478 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 479 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1); |
| 480 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1); |
| 481 | rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2); |
| 482 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 483 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 484 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 485 | rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 486 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); |
| 487 | rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 488 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 489 | |
| 490 | /* |
| 491 | * Initialize LED control |
| 492 | */ |
| 493 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word); |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 494 | rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 495 | word & 0xff, (word >> 8) & 0xff); |
| 496 | |
| 497 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word); |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 498 | rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 499 | word & 0xff, (word >> 8) & 0xff); |
| 500 | |
| 501 | rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word); |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 502 | rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 503 | word & 0xff, (word >> 8) & 0xff); |
| 504 | |
| 505 | return 0; |
| 506 | } |
| 507 | |
| 508 | static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev) |
| 509 | { |
| 510 | u32 reg; |
| 511 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 512 | rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 513 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); |
| 514 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); |
| 515 | rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); |
| 516 | rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); |
| 517 | rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 518 | rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 519 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 520 | rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0); |
| 521 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0); |
| 522 | rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 523 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 524 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 525 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 526 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 527 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1); |
| 528 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1); |
| 529 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1); |
| 530 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1); |
| 531 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1); |
| 532 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1); |
| 533 | rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 534 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 535 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 536 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); |
| 537 | rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 538 | |
| 539 | /* Wait for DMA, ignore error */ |
Gertjan van Wingerde | 67a4c1e | 2009-12-30 11:36:32 +0100 | [diff] [blame] | 540 | rt2800_wait_wpdma_ready(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 541 | } |
| 542 | |
| 543 | static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev, |
| 544 | enum dev_state state) |
| 545 | { |
| 546 | /* |
| 547 | * Always put the device to sleep (even when we intend to wakeup!) |
| 548 | * if the device is booting and wasn't asleep it will return |
| 549 | * failure when attempting to wakeup. |
| 550 | */ |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 551 | rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 552 | |
| 553 | if (state == STATE_AWAKE) { |
Bartlomiej Zolnierkiewicz | 3a9e5b0 | 2009-11-04 18:34:39 +0100 | [diff] [blame] | 554 | rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 555 | rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP); |
| 556 | } |
| 557 | |
| 558 | return 0; |
| 559 | } |
| 560 | |
| 561 | static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev, |
| 562 | enum dev_state state) |
| 563 | { |
| 564 | int retval = 0; |
| 565 | |
| 566 | switch (state) { |
| 567 | case STATE_RADIO_ON: |
| 568 | /* |
| 569 | * Before the radio can be enabled, the device first has |
| 570 | * to be woken up. After that it needs a bit of time |
| 571 | * to be fully awake and then the radio can be enabled. |
| 572 | */ |
| 573 | rt2800pci_set_state(rt2x00dev, STATE_AWAKE); |
| 574 | msleep(1); |
| 575 | retval = rt2800pci_enable_radio(rt2x00dev); |
| 576 | break; |
| 577 | case STATE_RADIO_OFF: |
| 578 | /* |
| 579 | * After the radio has been disabled, the device should |
| 580 | * be put to sleep for powersaving. |
| 581 | */ |
| 582 | rt2800pci_disable_radio(rt2x00dev); |
| 583 | rt2800pci_set_state(rt2x00dev, STATE_SLEEP); |
| 584 | break; |
| 585 | case STATE_RADIO_RX_ON: |
| 586 | case STATE_RADIO_RX_ON_LINK: |
| 587 | case STATE_RADIO_RX_OFF: |
| 588 | case STATE_RADIO_RX_OFF_LINK: |
| 589 | rt2800pci_toggle_rx(rt2x00dev, state); |
| 590 | break; |
| 591 | case STATE_RADIO_IRQ_ON: |
| 592 | case STATE_RADIO_IRQ_OFF: |
| 593 | rt2800pci_toggle_irq(rt2x00dev, state); |
| 594 | break; |
| 595 | case STATE_DEEP_SLEEP: |
| 596 | case STATE_SLEEP: |
| 597 | case STATE_STANDBY: |
| 598 | case STATE_AWAKE: |
| 599 | retval = rt2800pci_set_state(rt2x00dev, state); |
| 600 | break; |
| 601 | default: |
| 602 | retval = -ENOTSUPP; |
| 603 | break; |
| 604 | } |
| 605 | |
| 606 | if (unlikely(retval)) |
| 607 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", |
| 608 | state, retval); |
| 609 | |
| 610 | return retval; |
| 611 | } |
| 612 | |
| 613 | /* |
| 614 | * TX descriptor initialization |
| 615 | */ |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 616 | static int rt2800pci_write_tx_data(struct queue_entry* entry, |
| 617 | struct txentry_desc *txdesc) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 618 | { |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 619 | int ret; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 620 | |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 621 | ret = rt2x00pci_write_tx_data(entry, txdesc); |
| 622 | if (ret) |
| 623 | return ret; |
| 624 | |
Gertjan van Wingerde | 59679b9 | 2010-05-08 23:40:21 +0200 | [diff] [blame] | 625 | rt2800_write_txwi(entry->skb, txdesc); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 626 | |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 627 | return 0; |
| 628 | } |
| 629 | |
| 630 | |
| 631 | static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, |
| 632 | struct sk_buff *skb, |
| 633 | struct txentry_desc *txdesc) |
| 634 | { |
| 635 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame^] | 636 | struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data; |
| 637 | __le32 *txd = entry_priv->desc; |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 638 | u32 word; |
| 639 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 640 | /* |
| 641 | * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1 |
| 642 | * must contains a TXWI structure + 802.11 header + padding + 802.11 |
| 643 | * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and |
| 644 | * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11 |
| 645 | * data. It means that LAST_SEC0 is always 0. |
| 646 | */ |
| 647 | |
| 648 | /* |
| 649 | * Initialize TX descriptor |
| 650 | */ |
| 651 | rt2x00_desc_read(txd, 0, &word); |
| 652 | rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); |
| 653 | rt2x00_desc_write(txd, 0, word); |
| 654 | |
| 655 | rt2x00_desc_read(txd, 1, &word); |
| 656 | rt2x00_set_field32(&word, TXD_W1_SD_LEN1, skb->len); |
| 657 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, |
| 658 | !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
| 659 | rt2x00_set_field32(&word, TXD_W1_BURST, |
| 660 | test_bit(ENTRY_TXD_BURST, &txdesc->flags)); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame^] | 661 | rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 662 | rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0); |
| 663 | rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); |
| 664 | rt2x00_desc_write(txd, 1, word); |
| 665 | |
| 666 | rt2x00_desc_read(txd, 2, &word); |
| 667 | rt2x00_set_field32(&word, TXD_W2_SD_PTR1, |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame^] | 668 | skbdesc->skb_dma + TXWI_DESC_SIZE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 669 | rt2x00_desc_write(txd, 2, word); |
| 670 | |
| 671 | rt2x00_desc_read(txd, 3, &word); |
| 672 | rt2x00_set_field32(&word, TXD_W3_WIV, |
| 673 | !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); |
| 674 | rt2x00_set_field32(&word, TXD_W3_QSEL, 2); |
| 675 | rt2x00_desc_write(txd, 3, word); |
Gertjan van Wingerde | 85b7a8b | 2010-05-11 23:51:40 +0200 | [diff] [blame^] | 676 | |
| 677 | /* |
| 678 | * Register descriptor details in skb frame descriptor. |
| 679 | */ |
| 680 | skbdesc->desc = txd; |
| 681 | skbdesc->desc_len = TXD_DESC_SIZE; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 682 | } |
| 683 | |
| 684 | /* |
| 685 | * TX data initialization |
| 686 | */ |
Gertjan van Wingerde | f224f4e | 2010-05-08 23:40:25 +0200 | [diff] [blame] | 687 | static void rt2800pci_write_beacon(struct queue_entry *entry, |
| 688 | struct txentry_desc *txdesc) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 689 | { |
| 690 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 691 | unsigned int beacon_base; |
| 692 | u32 reg; |
| 693 | |
| 694 | /* |
| 695 | * Disable beaconing while we are reloading the beacon data, |
| 696 | * otherwise we might be sending out invalid data. |
| 697 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 698 | rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 699 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 700 | rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 701 | |
| 702 | /* |
Gertjan van Wingerde | 3b9f0ed | 2010-05-08 23:40:26 +0200 | [diff] [blame] | 703 | * Add the TXWI for the beacon to the skb. |
| 704 | */ |
| 705 | rt2800_write_txwi(entry->skb, txdesc); |
| 706 | skb_push(entry->skb, TXWI_DESC_SIZE); |
| 707 | |
| 708 | /* |
| 709 | * Write entire beacon with TXWI to register. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 710 | */ |
| 711 | beacon_base = HW_BEACON_OFFSET(entry->entry_idx); |
Gertjan van Wingerde | 3b9f0ed | 2010-05-08 23:40:26 +0200 | [diff] [blame] | 712 | rt2800_register_multiwrite(rt2x00dev, beacon_base, |
| 713 | entry->skb->data, entry->skb->len); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 714 | |
| 715 | /* |
Gertjan van Wingerde | d61cb26 | 2010-05-08 23:40:24 +0200 | [diff] [blame] | 716 | * Enable beaconing again. |
| 717 | */ |
| 718 | rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); |
| 719 | rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); |
| 720 | rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); |
| 721 | rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); |
| 722 | |
| 723 | /* |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 724 | * Clean up beacon skb. |
| 725 | */ |
| 726 | dev_kfree_skb_any(entry->skb); |
| 727 | entry->skb = NULL; |
| 728 | } |
| 729 | |
| 730 | static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, |
| 731 | const enum data_queue_qid queue_idx) |
| 732 | { |
| 733 | struct data_queue *queue; |
| 734 | unsigned int idx, qidx = 0; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 735 | |
| 736 | if (queue_idx > QID_HCCA && queue_idx != QID_MGMT) |
| 737 | return; |
| 738 | |
| 739 | queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); |
| 740 | idx = queue->index[Q_INDEX]; |
| 741 | |
| 742 | if (queue_idx == QID_MGMT) |
| 743 | qidx = 5; |
| 744 | else |
| 745 | qidx = queue_idx; |
| 746 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 747 | rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 748 | } |
| 749 | |
| 750 | static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev, |
| 751 | const enum data_queue_qid qid) |
| 752 | { |
| 753 | u32 reg; |
| 754 | |
| 755 | if (qid == QID_BEACON) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 756 | rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 757 | return; |
| 758 | } |
| 759 | |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 760 | rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 761 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE)); |
| 762 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, (qid == QID_AC_BK)); |
| 763 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, (qid == QID_AC_VI)); |
| 764 | rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, (qid == QID_AC_VO)); |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 765 | rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 766 | } |
| 767 | |
| 768 | /* |
| 769 | * RX control handlers |
| 770 | */ |
| 771 | static void rt2800pci_fill_rxdone(struct queue_entry *entry, |
| 772 | struct rxdone_entry_desc *rxdesc) |
| 773 | { |
| 774 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 775 | struct queue_entry_priv_pci *entry_priv = entry->priv_data; |
| 776 | __le32 *rxd = entry_priv->desc; |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 777 | u32 word; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 778 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 779 | rt2x00_desc_read(rxd, 3, &word); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 780 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 781 | if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 782 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
| 783 | |
Gertjan van Wingerde | 78b8f3b | 2010-05-08 23:40:20 +0200 | [diff] [blame] | 784 | /* |
| 785 | * Unfortunately we don't know the cipher type used during |
| 786 | * decryption. This prevents us from correct providing |
| 787 | * correct statistics through debugfs. |
| 788 | */ |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 789 | rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 790 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 791 | if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) { |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 792 | /* |
| 793 | * Hardware has stripped IV/EIV data from 802.11 frame during |
| 794 | * decryption. Unfortunately the descriptor doesn't contain |
| 795 | * any fields with the EIV/IV data either, so they can't |
| 796 | * be restored by rt2x00lib. |
| 797 | */ |
| 798 | rxdesc->flags |= RX_FLAG_IV_STRIPPED; |
| 799 | |
| 800 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) |
| 801 | rxdesc->flags |= RX_FLAG_DECRYPTED; |
| 802 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) |
| 803 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; |
| 804 | } |
| 805 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 806 | if (rt2x00_get_field32(word, RXD_W3_MY_BSS)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 807 | rxdesc->dev_flags |= RXDONE_MY_BSS; |
| 808 | |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 809 | if (rt2x00_get_field32(word, RXD_W3_L2PAD)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 810 | rxdesc->dev_flags |= RXDONE_L2PAD; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 811 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 812 | /* |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 813 | * Process the RXWI structure that is at the start of the buffer. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 814 | */ |
Gertjan van Wingerde | 2de64dd | 2010-05-08 23:40:22 +0200 | [diff] [blame] | 815 | rt2800_process_rxwi(entry->skb, rxdesc); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 816 | |
| 817 | /* |
| 818 | * Set RX IDX in register to inform hardware that we have handled |
| 819 | * this entry and it is available for reuse again. |
| 820 | */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 821 | rt2800_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 822 | } |
| 823 | |
| 824 | /* |
| 825 | * Interrupt functions. |
| 826 | */ |
| 827 | static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) |
| 828 | { |
| 829 | struct data_queue *queue; |
| 830 | struct queue_entry *entry; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 831 | __le32 *txwi; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 832 | struct txdone_entry_desc txdesc; |
| 833 | u32 word; |
| 834 | u32 reg; |
| 835 | u32 old_reg; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 836 | int wcid, ack, pid, tx_wcid, tx_ack, tx_pid; |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 837 | u16 mcs, real_mcs; |
| 838 | |
| 839 | /* |
| 840 | * During each loop we will compare the freshly read |
| 841 | * TX_STA_FIFO register value with the value read from |
| 842 | * the previous loop. If the 2 values are equal then |
| 843 | * we should stop processing because the chance it |
| 844 | * quite big that the device has been unplugged and |
| 845 | * we risk going into an endless loop. |
| 846 | */ |
| 847 | old_reg = 0; |
| 848 | |
| 849 | while (1) { |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 850 | rt2800_register_read(rt2x00dev, TX_STA_FIFO, ®); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 851 | if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID)) |
| 852 | break; |
| 853 | |
| 854 | if (old_reg == reg) |
| 855 | break; |
| 856 | old_reg = reg; |
| 857 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 858 | wcid = rt2x00_get_field32(reg, TX_STA_FIFO_WCID); |
| 859 | ack = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED); |
| 860 | pid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE); |
| 861 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 862 | /* |
| 863 | * Skip this entry when it contains an invalid |
| 864 | * queue identication number. |
| 865 | */ |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 866 | if (pid <= 0 || pid > QID_RX) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 867 | continue; |
| 868 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 869 | queue = rt2x00queue_get_queue(rt2x00dev, pid - 1); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 870 | if (unlikely(!queue)) |
| 871 | continue; |
| 872 | |
| 873 | /* |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 874 | * Inside each queue, we process each entry in a chronological |
| 875 | * order. We first check that the queue is not empty. |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 876 | */ |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 877 | if (rt2x00queue_empty(queue)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 878 | continue; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 879 | entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 880 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 881 | /* Check if we got a match by looking at WCID/ACK/PID |
| 882 | * fields */ |
| 883 | txwi = (__le32 *)(entry->skb->data - |
| 884 | rt2x00dev->ops->extra_tx_headroom); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 885 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 886 | rt2x00_desc_read(txwi, 1, &word); |
| 887 | tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID); |
| 888 | tx_ack = rt2x00_get_field32(word, TXWI_W1_ACK); |
| 889 | tx_pid = rt2x00_get_field32(word, TXWI_W1_PACKETID); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 890 | |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 891 | if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) |
| 892 | WARNING(rt2x00dev, "invalid TX_STA_FIFO content\n"); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 893 | |
| 894 | /* |
| 895 | * Obtain the status about this packet. |
| 896 | */ |
| 897 | txdesc.flags = 0; |
Alban Browaeys | 632dd95 | 2010-02-26 23:19:59 +0100 | [diff] [blame] | 898 | rt2x00_desc_read(txwi, 0, &word); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 899 | mcs = rt2x00_get_field32(word, TXWI_W0_MCS); |
| 900 | real_mcs = rt2x00_get_field32(reg, TX_STA_FIFO_MCS); |
Alban Browaeys | bf18723 | 2010-02-28 17:14:40 +0100 | [diff] [blame] | 901 | |
| 902 | /* |
| 903 | * Ralink has a retry mechanism using a global fallback |
| 904 | * table. We setup this fallback table to try the immediate |
| 905 | * lower rate for all rates. In the TX_STA_FIFO, the MCS field |
| 906 | * always contains the MCS used for the last transmission, be |
| 907 | * it successful or not. |
| 908 | */ |
| 909 | if (rt2x00_get_field32(reg, TX_STA_FIFO_TX_SUCCESS)) { |
| 910 | /* |
| 911 | * Transmission succeeded. The number of retries is |
| 912 | * mcs - real_mcs |
| 913 | */ |
| 914 | __set_bit(TXDONE_SUCCESS, &txdesc.flags); |
| 915 | txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0); |
| 916 | } else { |
| 917 | /* |
| 918 | * Transmission failed. The number of retries is |
| 919 | * always 7 in this case (for a total number of 8 |
| 920 | * frames sent). |
| 921 | */ |
| 922 | __set_bit(TXDONE_FAILURE, &txdesc.flags); |
| 923 | txdesc.retry = 7; |
| 924 | } |
| 925 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 926 | __set_bit(TXDONE_FALLBACK, &txdesc.flags); |
Alban Browaeys | bf18723 | 2010-02-28 17:14:40 +0100 | [diff] [blame] | 927 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 928 | |
| 929 | rt2x00lib_txdone(entry, &txdesc); |
| 930 | } |
| 931 | } |
| 932 | |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 933 | static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev) |
| 934 | { |
| 935 | struct ieee80211_conf conf = { .flags = 0 }; |
| 936 | struct rt2x00lib_conf libconf = { .conf = &conf }; |
| 937 | |
| 938 | rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS); |
| 939 | } |
| 940 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 941 | static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance) |
| 942 | { |
| 943 | struct rt2x00_dev *rt2x00dev = dev_instance; |
| 944 | u32 reg; |
| 945 | |
| 946 | /* Read status and ACK all interrupts */ |
Bartlomiej Zolnierkiewicz | 9ca21eb | 2009-11-04 18:33:13 +0100 | [diff] [blame] | 947 | rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®); |
| 948 | rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 949 | |
| 950 | if (!reg) |
| 951 | return IRQ_NONE; |
| 952 | |
| 953 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) |
| 954 | return IRQ_HANDLED; |
| 955 | |
| 956 | /* |
| 957 | * 1 - Rx ring done interrupt. |
| 958 | */ |
| 959 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE)) |
| 960 | rt2x00pci_rxdone(rt2x00dev); |
| 961 | |
| 962 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) |
| 963 | rt2800pci_txdone(rt2x00dev); |
| 964 | |
Gertjan van Wingerde | 4d66edc | 2010-03-30 23:50:26 +0200 | [diff] [blame] | 965 | if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) |
| 966 | rt2800pci_wakeup(rt2x00dev); |
| 967 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 968 | return IRQ_HANDLED; |
| 969 | } |
| 970 | |
| 971 | /* |
| 972 | * Device probe functions. |
| 973 | */ |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 974 | static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) |
| 975 | { |
| 976 | /* |
| 977 | * Read EEPROM into buffer |
| 978 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 979 | if (rt2x00_is_soc(rt2x00dev)) |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 980 | rt2800pci_read_eeprom_soc(rt2x00dev); |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 981 | else if (rt2800pci_efuse_detect(rt2x00dev)) |
| 982 | rt2800pci_read_eeprom_efuse(rt2x00dev); |
| 983 | else |
| 984 | rt2800pci_read_eeprom_pci(rt2x00dev); |
Bartlomiej Zolnierkiewicz | 7ab7132 | 2009-11-08 14:38:54 +0100 | [diff] [blame] | 985 | |
| 986 | return rt2800_validate_eeprom(rt2x00dev); |
| 987 | } |
| 988 | |
Bartlomiej Zolnierkiewicz | b0a1eda | 2009-11-04 18:35:00 +0100 | [diff] [blame] | 989 | static const struct rt2800_ops rt2800pci_rt2800_ops = { |
| 990 | .register_read = rt2x00pci_register_read, |
Gertjan van Wingerde | 31a4cf1 | 2009-11-14 20:20:36 +0100 | [diff] [blame] | 991 | .register_read_lock = rt2x00pci_register_read, /* same for PCI */ |
Bartlomiej Zolnierkiewicz | b0a1eda | 2009-11-04 18:35:00 +0100 | [diff] [blame] | 992 | .register_write = rt2x00pci_register_write, |
| 993 | .register_write_lock = rt2x00pci_register_write, /* same for PCI */ |
| 994 | |
| 995 | .register_multiread = rt2x00pci_register_multiread, |
| 996 | .register_multiwrite = rt2x00pci_register_multiwrite, |
| 997 | |
| 998 | .regbusy_read = rt2x00pci_regbusy_read, |
| 999 | }; |
| 1000 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1001 | static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) |
| 1002 | { |
| 1003 | int retval; |
| 1004 | |
Bartlomiej Zolnierkiewicz | b0a1eda | 2009-11-04 18:35:00 +0100 | [diff] [blame] | 1005 | rt2x00dev->priv = (void *)&rt2800pci_rt2800_ops; |
| 1006 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1007 | /* |
| 1008 | * Allocate eeprom data. |
| 1009 | */ |
| 1010 | retval = rt2800pci_validate_eeprom(rt2x00dev); |
| 1011 | if (retval) |
| 1012 | return retval; |
| 1013 | |
Bartlomiej Zolnierkiewicz | 38bd7b8 | 2009-11-08 14:39:01 +0100 | [diff] [blame] | 1014 | retval = rt2800_init_eeprom(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1015 | if (retval) |
| 1016 | return retval; |
| 1017 | |
| 1018 | /* |
| 1019 | * Initialize hw specifications. |
| 1020 | */ |
Bartlomiej Zolnierkiewicz | 4da2933 | 2009-11-08 14:39:32 +0100 | [diff] [blame] | 1021 | retval = rt2800_probe_hw_mode(rt2x00dev); |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1022 | if (retval) |
| 1023 | return retval; |
| 1024 | |
| 1025 | /* |
| 1026 | * This device has multiple filters for control frames |
| 1027 | * and has a separate filter for PS Poll frames. |
| 1028 | */ |
| 1029 | __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags); |
| 1030 | __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags); |
| 1031 | |
| 1032 | /* |
| 1033 | * This device requires firmware. |
| 1034 | */ |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 1035 | if (!rt2x00_is_soc(rt2x00dev)) |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1036 | __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); |
| 1037 | __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); |
| 1038 | __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags); |
| 1039 | if (!modparam_nohwcrypt) |
| 1040 | __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); |
| 1041 | |
| 1042 | /* |
| 1043 | * Set the rssi offset. |
| 1044 | */ |
| 1045 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; |
| 1046 | |
| 1047 | return 0; |
| 1048 | } |
| 1049 | |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1050 | static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { |
| 1051 | .irq_handler = rt2800pci_interrupt, |
| 1052 | .probe_hw = rt2800pci_probe_hw, |
| 1053 | .get_firmware_name = rt2800pci_get_firmware_name, |
| 1054 | .check_firmware = rt2800pci_check_firmware, |
| 1055 | .load_firmware = rt2800pci_load_firmware, |
| 1056 | .initialize = rt2x00pci_initialize, |
| 1057 | .uninitialize = rt2x00pci_uninitialize, |
| 1058 | .get_entry_state = rt2800pci_get_entry_state, |
| 1059 | .clear_entry = rt2800pci_clear_entry, |
| 1060 | .set_device_state = rt2800pci_set_device_state, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1061 | .rfkill_poll = rt2800_rfkill_poll, |
| 1062 | .link_stats = rt2800_link_stats, |
| 1063 | .reset_tuner = rt2800_reset_tuner, |
| 1064 | .link_tuner = rt2800_link_tuner, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1065 | .write_tx_desc = rt2800pci_write_tx_desc, |
Helmut Schaa | 745b1ae | 2010-04-15 09:13:35 +0200 | [diff] [blame] | 1066 | .write_tx_data = rt2800pci_write_tx_data, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1067 | .write_beacon = rt2800pci_write_beacon, |
| 1068 | .kick_tx_queue = rt2800pci_kick_tx_queue, |
| 1069 | .kill_tx_queue = rt2800pci_kill_tx_queue, |
| 1070 | .fill_rxdone = rt2800pci_fill_rxdone, |
Bartlomiej Zolnierkiewicz | f445061 | 2009-11-04 18:36:40 +0100 | [diff] [blame] | 1071 | .config_shared_key = rt2800_config_shared_key, |
| 1072 | .config_pairwise_key = rt2800_config_pairwise_key, |
| 1073 | .config_filter = rt2800_config_filter, |
| 1074 | .config_intf = rt2800_config_intf, |
| 1075 | .config_erp = rt2800_config_erp, |
| 1076 | .config_ant = rt2800_config_ant, |
| 1077 | .config = rt2800_config, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1078 | }; |
| 1079 | |
| 1080 | static const struct data_queue_desc rt2800pci_queue_rx = { |
| 1081 | .entry_num = RX_ENTRIES, |
| 1082 | .data_size = AGGREGATION_SIZE, |
| 1083 | .desc_size = RXD_DESC_SIZE, |
| 1084 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1085 | }; |
| 1086 | |
| 1087 | static const struct data_queue_desc rt2800pci_queue_tx = { |
| 1088 | .entry_num = TX_ENTRIES, |
| 1089 | .data_size = AGGREGATION_SIZE, |
| 1090 | .desc_size = TXD_DESC_SIZE, |
| 1091 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1092 | }; |
| 1093 | |
| 1094 | static const struct data_queue_desc rt2800pci_queue_bcn = { |
| 1095 | .entry_num = 8 * BEACON_ENTRIES, |
| 1096 | .data_size = 0, /* No DMA required for beacons */ |
| 1097 | .desc_size = TXWI_DESC_SIZE, |
| 1098 | .priv_size = sizeof(struct queue_entry_priv_pci), |
| 1099 | }; |
| 1100 | |
| 1101 | static const struct rt2x00_ops rt2800pci_ops = { |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1102 | .name = KBUILD_MODNAME, |
| 1103 | .max_sta_intf = 1, |
| 1104 | .max_ap_intf = 8, |
| 1105 | .eeprom_size = EEPROM_SIZE, |
| 1106 | .rf_size = RF_SIZE, |
| 1107 | .tx_queues = NUM_TX_QUEUES, |
Gertjan van Wingerde | e6218cc | 2009-11-23 22:44:52 +0100 | [diff] [blame] | 1108 | .extra_tx_headroom = TXWI_DESC_SIZE, |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1109 | .rx = &rt2800pci_queue_rx, |
| 1110 | .tx = &rt2800pci_queue_tx, |
| 1111 | .bcn = &rt2800pci_queue_bcn, |
| 1112 | .lib = &rt2800pci_rt2x00_ops, |
| 1113 | .hw = &rt2800_mac80211_ops, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1114 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
Gertjan van Wingerde | 04d0362 | 2009-11-23 22:44:51 +0100 | [diff] [blame] | 1115 | .debugfs = &rt2800_rt2x00debug, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1116 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 1117 | }; |
| 1118 | |
| 1119 | /* |
| 1120 | * RT2800pci module information. |
| 1121 | */ |
Helmut Schaa | d6e36ec | 2010-03-15 17:22:26 +0100 | [diff] [blame] | 1122 | #ifdef CONFIG_RT2800PCI_PCI |
Alexey Dobriyan | a3aa188 | 2010-01-07 11:58:11 +0000 | [diff] [blame] | 1123 | static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1124 | { PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1125 | { PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1126 | { PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1127 | { PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1128 | { PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1129 | { PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1130 | { PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1131 | { PCI_DEVICE(0x1432, 0x7738), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1132 | { PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1133 | { PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1134 | { PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1135 | { PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1136 | #ifdef CONFIG_RT2800PCI_RT30XX |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1137 | { PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1138 | { PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1139 | { PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1140 | { PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1141 | #endif |
| 1142 | #ifdef CONFIG_RT2800PCI_RT35XX |
| 1143 | { PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1144 | { PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1145 | { PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
| 1146 | { PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Xose Vazquez Perez | 6424bf7 | 2010-03-28 17:48:05 +0200 | [diff] [blame] | 1147 | { PCI_DEVICE(0x1814, 0x3593), PCI_DEVICE_DATA(&rt2800pci_ops) }, |
Gertjan van Wingerde | de1ebdc | 2010-02-14 12:52:05 +0100 | [diff] [blame] | 1148 | #endif |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1149 | { 0, } |
| 1150 | }; |
Helmut Schaa | d6e36ec | 2010-03-15 17:22:26 +0100 | [diff] [blame] | 1151 | #endif /* CONFIG_RT2800PCI_PCI */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1152 | |
| 1153 | MODULE_AUTHOR(DRV_PROJECT); |
| 1154 | MODULE_VERSION(DRV_VERSION); |
| 1155 | MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver."); |
| 1156 | MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards"); |
| 1157 | #ifdef CONFIG_RT2800PCI_PCI |
| 1158 | MODULE_FIRMWARE(FIRMWARE_RT2860); |
| 1159 | MODULE_DEVICE_TABLE(pci, rt2800pci_device_table); |
| 1160 | #endif /* CONFIG_RT2800PCI_PCI */ |
| 1161 | MODULE_LICENSE("GPL"); |
| 1162 | |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1163 | #ifdef CONFIG_RT2800PCI_SOC |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1164 | static int rt2800soc_probe(struct platform_device *pdev) |
| 1165 | { |
Helmut Schaa | 6e93d71 | 2010-03-02 16:34:49 +0100 | [diff] [blame] | 1166 | return rt2x00soc_probe(pdev, &rt2800pci_ops); |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1167 | } |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1168 | |
| 1169 | static struct platform_driver rt2800soc_driver = { |
| 1170 | .driver = { |
| 1171 | .name = "rt2800_wmac", |
| 1172 | .owner = THIS_MODULE, |
| 1173 | .mod_name = KBUILD_MODNAME, |
| 1174 | }, |
Gertjan van Wingerde | 714fa66 | 2010-02-13 20:55:48 +0100 | [diff] [blame] | 1175 | .probe = rt2800soc_probe, |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1176 | .remove = __devexit_p(rt2x00soc_remove), |
| 1177 | .suspend = rt2x00soc_suspend, |
| 1178 | .resume = rt2x00soc_resume, |
| 1179 | }; |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1180 | #endif /* CONFIG_RT2800PCI_SOC */ |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1181 | |
| 1182 | #ifdef CONFIG_RT2800PCI_PCI |
| 1183 | static struct pci_driver rt2800pci_driver = { |
| 1184 | .name = KBUILD_MODNAME, |
| 1185 | .id_table = rt2800pci_device_table, |
| 1186 | .probe = rt2x00pci_probe, |
| 1187 | .remove = __devexit_p(rt2x00pci_remove), |
| 1188 | .suspend = rt2x00pci_suspend, |
| 1189 | .resume = rt2x00pci_resume, |
| 1190 | }; |
| 1191 | #endif /* CONFIG_RT2800PCI_PCI */ |
| 1192 | |
| 1193 | static int __init rt2800pci_init(void) |
| 1194 | { |
| 1195 | int ret = 0; |
| 1196 | |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1197 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1198 | ret = platform_driver_register(&rt2800soc_driver); |
| 1199 | if (ret) |
| 1200 | return ret; |
| 1201 | #endif |
| 1202 | #ifdef CONFIG_RT2800PCI_PCI |
| 1203 | ret = pci_register_driver(&rt2800pci_driver); |
| 1204 | if (ret) { |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1205 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1206 | platform_driver_unregister(&rt2800soc_driver); |
| 1207 | #endif |
| 1208 | return ret; |
| 1209 | } |
| 1210 | #endif |
| 1211 | |
| 1212 | return ret; |
| 1213 | } |
| 1214 | |
| 1215 | static void __exit rt2800pci_exit(void) |
| 1216 | { |
| 1217 | #ifdef CONFIG_RT2800PCI_PCI |
| 1218 | pci_unregister_driver(&rt2800pci_driver); |
| 1219 | #endif |
Gertjan van Wingerde | 00e23ce | 2009-12-23 00:03:22 +0100 | [diff] [blame] | 1220 | #ifdef CONFIG_RT2800PCI_SOC |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 1221 | platform_driver_unregister(&rt2800soc_driver); |
| 1222 | #endif |
| 1223 | } |
| 1224 | |
| 1225 | module_init(rt2800pci_init); |
| 1226 | module_exit(rt2800pci_exit); |